CN106571273B - A kind of breaker unit and combination circuit breaker with hand tripping mechanism - Google Patents
A kind of breaker unit and combination circuit breaker with hand tripping mechanism Download PDFInfo
- Publication number
- CN106571273B CN106571273B CN201610747944.4A CN201610747944A CN106571273B CN 106571273 B CN106571273 B CN 106571273B CN 201610747944 A CN201610747944 A CN 201610747944A CN 106571273 B CN106571273 B CN 106571273B
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- China
- Prior art keywords
- connecting lever
- drawing plate
- tripping
- rotation
- breaker
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
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- Switch Cases, Indication, And Locking (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a kind of breaker unit and combination circuit breaker with hand tripping mechanism, when needing to make breaker open operation, drawing plate is pulled to make stir head drive the rotation of the second arm, the rotation of second arm makes to rotate connecting lever rotation, rotation connecting lever, which rotates and passes through the first armband, moves triggering rod movement, triggering rod drives tripping connecting lever rotation, to make circuit breaker tripping and separating brake.In this way, stayed pole only need to be pulled when overhauling to circuit and needing to make breaker open operation, and it is easy to operate and reliable, guarantee the safety of service personnel.
Description
Technical field
The present invention relates to a kind of breaker unit and combination circuit breaker with hand tripping mechanism, belongs to miniature circuit breaker
Technical field.
Background technique
Miniature circuit breaker is a kind of common power switch in the prior art, has in low-voltage distribution field and widely answers
With, such as home switch etc..As shown in Figure 1, generally having tripping mechanism 2 in miniature circuit breaker, tripping mechanism 2 generally comprises one
A tripping connecting lever 6, tripping connecting lever 6 is connected on the shell of breaker by fixing axle 26, when breaker is in "on" position,
Tripping mechanism 2 prevents the moving contact 3 of breaker from separating brake, only need to be by tripping connecting lever 6 rotation one when needing breaker open operation
A lesser angle can be such that the moving contact 3 of breaker unlocks, and the moving contact 3 of breaker will move under the pulling of tripping spring 5
Contact 3 is separated with static contact 4.
It when circuit breaks down, needs to overhaul circuit, be needed before maintenance by the moving contact of breaker and quiet
The circuit that contact disconnects guaranteeing that needs overhaul is in an off state, and safety accident occurs to prevent service personnel from getting an electric shock.
Summary of the invention
In order to overcome the defects of the prior art, the present invention provide a kind of breaker unit with hand tripping mechanism and
Combination circuit breaker, it is easy to operate and can reliably make breaker open operation, guarantee the safety of service personnel.
In order to achieve the above object and related purpose, a kind of breaker unit with hand tripping mechanism of the invention are adopted
With following technical solution：A kind of breaker unit with hand tripping mechanism, including tripping mechanism, the tripping mechanism include
One tripping connecting lever, circuit breaker tripping and separating brake can be made by rotating the tripping connecting lever；It further include rotation connecting lever, drawing plate, the rotation
Turn connecting lever to be connected on the shell of breaker by a shaft parallel with the tripping rotation axis of connecting lever, rotation connecting lever has
First arm and the second arm；The end of first arm connects a triggering rod parallel with the shaft, and the triggering rod is turned with tripping
Arm connection；It can move back and forth in the sliding slot that the drawing plate is plugged in circuit breaker housing and along the chute, one end of drawing plate
Equipped with stir head, mobile drawing plate, which can make the stir head stir second arm, to be made to rotate connecting lever rotation, rotation connecting lever rotation
Turn drive triggering rod to move and make connecting lever rotation of threading off, to make circuit breaker tripping and separating brake.
Preferably, the side of the tripping connecting lever is equipped with a connecting hole, and the triggering rod is inserted in the connecting hole, described
The rotation axis of connecting hole and tripping connecting lever is not coaxial, and the shaft and the rotation axis of tripping connecting lever are coaxial.
Preferably, the drawing plate is equipped with a lockhole, and when breaker is in "on" position, the lockhole is located at open circuit
Device case inside；When drawing plate, which is moved to the connecting lever that makes to thread off, to be rotated to trip positions, the lockhole is completely exposed in breaker
The outside of shell.
Preferably, be equipped with an elongated slot extended along drawing plate glide direction among the drawing plate, elongated slot along length side
To two sidewalls on be respectively provided with two circular positioning protrusion, circuit breaker housing is equipped with a positioning column, when drawing plate is moved to
When the connecting lever that makes to thread off is rotated to trip positions, the positioning column is stuck between the positioning protrusion.
Preferably, the drawing plate is vertically inserted in the sliding slot, and the upper end of drawing plate is exposed to circuit breaker housing
The lower end of drawing plate is arranged in outer surface, the stir head.
Preferably, the side of the drawing plate be equipped with one perpendicular to the drawing plate sliding plate, the sliding plate
It is connect with control device；When breaker is in closing position, the sliding plate can be slided and be inserted perpendicular to the drawing plate
In the jack on drawing plate.
Preferably, the guide groove of arc is additionally provided in the circuit breaker housing, the triggering rod is arranged in guide groove.
Correspondingly with a kind of above-mentioned breaker unit with hand tripping mechanism, the present invention also provides a kind of group of make and breaks
Road device, adopts the following technical scheme that：A kind of combination circuit breaker, including multi-phase circuit breaker unit, in the multi-phase circuit breaker unit
A phase breaker unit be disconnected with hand tripping mechanism described in above-mentioned technical proposal and any preferred technical solution
Road device unit is connected by the interlocking bar being coaxially disposed with the triggering rod between the tripping connecting lever of the multi-phase circuit breaker unit
It connects.
Based on the above-mentioned technical proposal, a kind of breaker unit and combination circuit breaker with hand tripping mechanism of the invention
It has the advantages that：When needing to make breaker open operation, pull drawing plate to make stir head that the second arm be driven to rotate, the
The rotation of two arms makes to rotate connecting lever rotation, and rotation connecting lever, which rotates and passes through the first armband, moves triggering rod movement, and triggering rod drives tripping
Connecting lever rotation, to make circuit breaker tripping and separating brake.In this way, only needing to draw when overhauling circuit and needing to make breaker open operation
Dynamic stayed pole, it is easy to operate and reliable, guarantee the safety of service personnel.
Detailed description of the invention
Fig. 1 is shown as the connection schematic diagram of the tripping mechanism of breaker, moving contact, static contact.
Fig. 2 is shown rotated at the connection schematic diagram of connecting lever, drawing plate and sliding plate.
Fig. 3 is shown as the schematic diagram of the section structure of drawing plate, sliding plate and padlock.
Fig. 4 is shown as in Fig. 2 the cross-sectional view at A-A.
Fig. 5 is shown as a kind of stereoscopic schematic diagram of combination circuit breaker.
Appended drawing reference is as follows：
1 breaker unit, 15 stir head
2 tripping mechanism, 16 connecting hole
3 moving contact, 17 jack
4 static contacts 18 slide plate
5 tripping spring, 19 elongated slot
6 tripping 20 positioning protrusion of connecting lever
7 rotation 21 positioning columns of connecting lever
8 drawing plate, 22 fin
9 shaft, 23 groove
10 shell, 24 baffle plate
11 first arm, 25 guide groove
12 second arm, 26 fixing axle
13 triggering rod, 27 lockhole
14 sliding slot, 28 padlock
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.These embodiments are only used for
Illustrate the present invention, and not limitation of the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Please refer to Fig. 1 and Fig. 2, a kind of breaker unit with hand tripping mechanism of the invention, including tripping mechanism
2, the tripping mechanism 2 includes a tripping connecting lever 6, and circuit breaker tripping and separating brake can be made by rotating the tripping connecting lever 6；It further include rotation
Turn connecting lever 7, drawing plate 8, the rotation connecting lever 7 is connected to disconnected by a shaft 9 parallel with the tripping rotation axis of connecting lever 6
On the shell 10 of road device, rotation connecting lever 7 has the first arm 11 and the second arm 12；The end of first arm 11 connects one and described turn
The parallel triggering rod 13 of axis 9, the triggering rod 13 are connect with tripping connecting lever 6；The drawing plate 8 is plugged in circuit breaker housing 10
A sliding slot 14 in and 14 can move back and forth along the chute, one end of drawing plate 8 is equipped with stir head 15, and mobile drawing plate 8 can make
The stir head 15, which stirs second arm 12, to be made to rotate the rotation of connecting lever 7, and the rotation rotation of connecting lever 7 drives triggering rod 13 to move and makes
Connecting lever 6 of threading off rotates, to make circuit breaker tripping and separating brake.
It is provided by the invention it is a kind of with hand tripping mechanism breaker unit connection in circuit, when maintenance circuit and
When needing to make breaker open operation, drawing plate 8 is pulled to make stir head 15 drive the rotation of the second arm 12, the rotation of the second arm 12 makes to revolve
Turn the rotation of connecting lever 7, rotation connecting lever 7 rotates and drives triggering rod 13 to move by the first arm 11, and triggering rod 13 drives tripping connecting lever 6
Rotation, to make circuit breaker tripping and separating brake.In this way, need to only pull and lead when being overhauled to circuit and needing to make breaker open operation
Pull rod, it is easy to operate and reliable, guarantee the safety of service personnel.
Incorporated by reference to Fig. 1 and Fig. 2, as a preferred mode, a connection can be equipped in the side of the tripping connecting lever 6
Hole 16, the triggering rod 13 are inserted in the connecting hole 16, and the rotation axis of the connecting hole 16 and tripping connecting lever 6 is not coaxial,
And the shaft 9 and the rotation axis of tripping connecting lever 6 are coaxial.In this way, when one end of triggering rod 13 and the second arm of rotation connecting lever 7
12 connections, the other end are connect with the connecting hole 16 on tripping connecting lever 6, when triggering rod 13 is driven and 9 rotation around the shaft by rotation connecting lever 7
When turning, the drive of triggering rod 13 tripping connecting lever 6 and rotation 7 synchronous rotary of connecting lever, tripping connecting lever 6 rotate and tripping mechanism 2 are made to thread off,
The separating brake under the pulling of tripping spring 5 of moving contact 3.In order to limit the movement of triggering rod 13, as shown in Fig. 2, the breaker shell
The guide groove 25 of arc is additionally provided on body 10, the triggering rod 13 is arranged in guide groove 25, when triggering rod 13 is moved to and institute
When stating the upper-end contact of guide groove 25, tripping mechanism 2 is in lock position, when triggering rod 13 is moved to and the guide groove 25
When lower end in contact (position shown in Fig. 2), tripping mechanism 2 is in trip positions.
Incorporated by reference to Fig. 2 and Fig. 3, as a preferred embodiment, the drawing plate 8 is equipped with a lockhole 27, when disconnected
When road device is in "on" position, the lockhole 27 is located on the inside of circuit breaker housing, revolves when drawing plate 8 is moved to the connecting lever 6 that makes to thread off
When going to trip positions, the lockhole 27 is just completely exposed in the outside of circuit breaker housing.In this way, when needing breaker point
When lock, drawing plate 8 is moved to the rotation of connecting lever 6 that makes to thread off to trip positions, tripping mechanism 2 threads off and makes breaker open operation, this
When, the dew of lockhole 27 is completely exposed on the outside of circuit breaker housing, and a padlock 28 is hung on lockhole 27 and is lockked, is prevented ignorant
Other staff it is mistakenly that drawing plate 8 is mobile and breaker is enable to restore lock state.In this way, drawing plate 8 cannot be again
Back move, 8 lower end of drawing plate stir 15 make rotate connecting lever 7 remain stationary, thus make thread off connecting lever 6 be maintained at tripping position
It sets, breaker can not just latch again, even if there is other staff by the rotating handle or control device of breaker to breaker
The safety of service personnel can not can more be guaranteed for breaker closing in this way by carrying out closing operation or reclosing operation.Make
For a kind of preferred embodiment, as shown in Fig. 2, being equipped with the length extended along 8 glide direction of drawing plate among the drawing plate 8
Slot 19 is respectively provided with two circular positioning protrusion 20 on the two sidewalls along its length of elongated slot 19, makes when drawing plate 8 is moved to
When tripping connecting lever 6 rotation to trip positions, the positioning column 21 is stuck between the positioning protrusion 20.In this way, when drawing plate 8 moves
It moves to the jack 17 and is completely exposed when the hull outside of breaker, positioning protrusion 20 and positioning column 21 can be by drawing plates
8 positioning, in order to install padlock 28 in lockhole 27.As shown in Fig. 2, in a kind of breaking with hand tripping mechanism of the invention
In the device unit of road, the drawing plate 8 is vertically inserted in the sliding slot 14, and the upper end of drawing plate 8 is exposed to circuit breaker housing 10
Outer surface, the lower end of drawing plate 8 is arranged in the stir head 15.In this way, service personnel can will lead from the outside of breaker
Pulling plate 8 pulls out upwards, convenient for operation.As shown in figure 4, the side of the drawing plate 8 be equipped with one perpendicular to the drawing plate cunning
Dynamic plate 18, the sliding plate 18 are connect with control device；When breaker is in closing position, the sliding plate 18 can
It slides and is inserted in the jack 17 on drawing plate 8 perpendicular to the drawing plate 8.The sliding plate 18 is connect with control device,
Breaker can be switched to manual operation state or automatic control state by sliding 18 movement of plate, sliding when route is normal
Dynamic plate 18 switches to automatic mode, sliding plate 18 is mobile and the jack 17 that is inserted on drawing plate 8 in and by drawing plate 8
Locking prevents drawing plate 8 from being moved, to prevent circuit from mistakenly being disconnected；When needing to overhaul route, will slide
Plate 18 switches to manual work state, and sliding plate 18 slips away the jack 17 of drawing plate 8, makes to revolve by the removal of drawing plate 8 manually
Turn the rotation of connecting lever 7 to drive the tripping rotation tripping of connecting lever 6, the lockhole 27 on drawing plate 8 is completely exposed the shell in breaker
Afterwards, installing one prevents drawing plate from being moved back into padlock 28 on lockhole 27.The safety of service personnel is ensured that in this way.For
The mobile sliding plates 18 of easy access personnel, it is preferable that can be slided in the horizontal direction in the sliding plate 18, cunning
The upper surface of dynamic plate 18 is equipped with the fin 22 and/or groove 23 vertical with glide direction, and such service personnel is clasped with finger
Fin 22 or groove 23 can will sliding plate 18 it is mobile, it is excessive to slide 18 moving distance of plate in order to prevent, can also be
The lower surface for sliding plate 18 is equipped with baffle plate 24, after sliding in the jack 17 on the insertion drawing plate 8 of plate 18, the backstop
Plate 24 is switched off the stop surface backstop being arranged on the shell 10 of device and cannot continue to move to.
The present invention also provides a kind of combination circuit breaker, including multi-phase circuit breaker unit 1, in the multi-phase circuit breaker unit 1
A phase breaker unit 1 be disconnected with hand tripping mechanism described in above-mentioned technical proposal and any preferred technical solution
Road device unit, the interlocking bar between the tripping connecting lever 6 of the multi-phase circuit breaker unit 1 by being coaxially disposed with the triggering rod 13
Connection.Combination circuit breaker as shown in Figure 5 includes two-phase breaker unit 1, and certainly, a kind of combination circuit breaker of the invention can also
To include more multiphase breaker unit 1.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of breaker unit with hand tripping mechanism, including tripping mechanism (1), the tripping mechanism (1) includes one
It threads off connecting lever (6), circuit breaker tripping and separating brake can be made by rotating the tripping connecting lever (6)；It is characterized in that：
It further include rotation connecting lever (7), drawing plate (8), rotation connecting lever (7) passes through one and the rotary shaft of tripping connecting lever (6)
The parallel shaft of line (9) is connected on the shell of breaker, and rotation connecting lever (7) has the first arm (11) and the second arm (12)；The
The end of one arm (11) connects a triggering rod (13) parallel with the shaft (9), the triggering rod (13) and tripping connecting lever
(6) it connects；
It in the sliding slot (14) that the drawing plate (8) is plugged in circuit breaker housing and (14) can move back and forth along the chute, pull
One end of plate (8) is equipped with stir head (15), and mobile drawing plate (8) can make the stir head (15) stir second arm (12)
Make to rotate connecting lever (7) rotation, rotation connecting lever (7) rotation drives triggering rod (13) to move and makes connecting lever (6) rotation of threading off, to make
Circuit breaker tripping and separating brake；
The drawing plate (8) is equipped with a lockhole (27), and the lockhole (27) is closed for connecting padlock (28) when breaker is in
When lock state, the lockhole (27) is located on the inside of circuit breaker housing；Make to thread off connecting lever (6) rotation extremely when drawing plate (8) is moved to
When trip positions, the lockhole (27) is completely exposed in the outside of circuit breaker housing.
2. as described in claim 1 with the breaker unit of hand tripping mechanism, it is characterized in that：The tripping connecting lever (6)
Side be equipped with a connecting hole (16), the triggering rod (13) is inserted in the connecting hole (16), the connecting hole (16) and de-
The rotation axis for detaining connecting lever (6) is not coaxial, and the shaft (9) and the rotation axis of tripping connecting lever (6) are coaxial.
3. as described in claim 1 with the breaker unit of hand tripping mechanism, it is characterized in that：In the drawing plate (8)
Between be equipped with an elongated slot (19) extended along drawing plate (8) glide direction, respectively set on the two sidewalls along its length of elongated slot (19)
There are two circular positioning protrusion (20), circuit breaker housing is equipped with a positioning column (21), makes to thread off when drawing plate (8) is moved to
When connecting lever (6) rotation to trip positions, the positioning column (21) is stuck between the positioning protrusion (20).
4. as described in claim 1 with the breaker unit of hand tripping mechanism, it is characterized in that：The drawing plate (8) is perpendicular
It directly is inserted in the sliding slot (14), the upper end of drawing plate (8) is exposed to the outer surface of circuit breaker housing, the stir head (15)
Lower end in drawing plate (8) is set.
5. as described in claim 1 with the breaker unit of hand tripping mechanism, it is characterized in that：The side of the drawing plate
Equipped with one perpendicular to the drawing plate (8) sliding plate (18), the sliding plate (18) connect with control device；Work as open circuit
When device is in closing position, the sliding plate (18) can be slided perpendicular to the drawing plate (8) and insert on drawing plate (8)
In jack (17).
6. as described in claim 1 with the breaker unit of hand tripping mechanism, it is characterized in that：In the circuit breaker housing
It is additionally provided with the guide groove (25) of arc, the triggering rod (13) is arranged in guide groove (25).
An a kind of phase breaker unit 7. combination circuit breaker, including multi-phase circuit breaker unit, in the multi-phase circuit breaker unit
For the breaker unit as claimed in any one of claims 1 to 6 with hand tripping mechanism, it is characterized in that：The multiphase open circuit
It is connect between the tripping connecting lever (6) of device unit by the interlocking bar being coaxially disposed with the triggering rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610747944.4A CN106571273B (en) | 2016-08-29 | 2016-08-29 | A kind of breaker unit and combination circuit breaker with hand tripping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610747944.4A CN106571273B (en) | 2016-08-29 | 2016-08-29 | A kind of breaker unit and combination circuit breaker with hand tripping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106571273A CN106571273A (en) | 2017-04-19 |
| CN106571273B true CN106571273B (en) | 2018-11-27 |
Family
ID=58532367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610747944.4A Active CN106571273B (en) | 2016-08-29 | 2016-08-29 | A kind of breaker unit and combination circuit breaker with hand tripping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106571273B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5075658A (en) * | 1990-07-16 | 1991-12-24 | General Electric Company | Molded case circuit breaker trip-to-test button and auxiliary switch interface |
| CN101640146B (en) * | 2009-08-11 | 2012-01-11 | 上海永继电气股份有限公司 | Tripping device of circuit breaker |
| CN205406434U (en) * | 2016-03-23 | 2016-07-27 | 德力西电气有限公司 | Divide closing operation controlling means and circuit breaker |
| CN206163437U (en) * | 2016-08-29 | 2017-05-10 | 苏州未来电器股份有限公司 | Circuit breaker unit and combination circuit breaker with manual tripping device |
-
2016
- 2016-08-29 CN CN201610747944.4A patent/CN106571273B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106571273A (en) | 2017-04-19 |
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